Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery. A flyby by NASA's Voyager 2 spacecraft in 1989 offered a quick ...

Outer space has fascinated people from the very first time a human being gazed upon the night sky and wondered what the beams of light in the sky were and what they meant. The moon has particularly ...

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these planets be called "rocky giants" instead. When you purchase through links on our ...

Saturn, a bright 1st-magnitude object, is prominently visible in the southwestern Pisces constellation during the early morning hours. Neptune, at magnitude 7.7, lies approximately 1° north of Saturn ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.